{
  "manageEntity": {
    "action": "Create",
    "entityId": "2081533578",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Loooove!!!\",\"entity_id\":1754898704,\"track_timestamp_s\":79}}",
    "nonce": "0xf4fc7d2f51c10ab08d4165bcd50b9c121d6ccf75a68fc331abad9d1944ee5f24",
    "signature": "0x0644ce5793238965b516a3068150beac3bb69b7d2012d0c600c4c6588aaa66690dddc244021256fb5ca76ae1e83fbb70711cfa946a6d682e538dd5d7074a25eb1b",
    "signer": "0x4e636627B2C38e64C8D3aF5889767393B4fE6C1A",
    "userId": "181"
  }
}